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jwasbury jwasbury is offline
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Join Date: Jan 2008
Location: Weehawken, NJ
Posts: 3,384
Early USA exhaust (thru '79) looks like this:

This is the original factory stuff from my car, except that somewhere along the way a P.O. ditched the thermal reactors and put in the thermal reactor replacement "headers"

Known to be restrictive and supposedly a primary reason why US spec 3.3 liter 930 were rated at 265hp vs. 300 for ROW.

I believe that US 86-89 exhaust was the same as the ROW exhaust that was used all along on the 3.3 liter cars (not sure about the very early cars though).
Current: 1983 911 GT4 Race Car / 1999 Spec Miata / 2000 MB SL500 / 1998 MB E300TD / 1998 BMW R1100RT / 2016 KTM Duke 690
Past: 2009 997 Turbo Cab / 1979 930
Old 12-17-2009, 01:55 PM
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